Adjustable shelf



FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front side view of the present invention;

FIG. 3 is a back side view of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is a right side view of the present invention;

FIG. 6 is a top side view of the present invention; and,

FIG. 7 is a bottom side view of the present invention. 

CLAIM The ornamental design for the adjustable shelf, as shown and described. 